![Siemens 257-02000B 2-Way Valve, 1/2 in. specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702000b-specs.png?v=1794069993&width=1445)
The Siemens 257-02000B is a 1/2 in. normally closed two-way valve with female by female (FxF) brass connections and a 2 in. actuator, used to control hot or chilled water flow in HVAC systems. It has a flow coefficient of 0.4 Cv and a 3-8 psi actuator spring range.
This is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02000B |
|---|---|
| Brand | Siemens |
| Type | 2-Way Valve |
| Pipe Size | 1/2 in. FxF |
| Configuration | Normally Closed |
| Flow Coefficient | 0.4 Cv |
| Spring Range | 3-8 psi |
| Material | Brass |